Home / 8,992,309.28-12,409,378.02-4,862,330.55

Finding the Fourth Proportional to 8,992,309.28, 12,409,378.02 and 4,862,330.55

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Solution

The fourth proportional to 8,992,309.28, 12,409,378.02 and 4,862,330.55 is: 6,710,011.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,992,309.28 : 12,409,378.02 = 4,862,330.55 : x
  2. Step 2: Convert to fraction form
    8,992,309.28/12,409,378.02 = 4,862,330.55/x
  3. Step 3: Cross multiply
    8,992,309.28x = 12,409,378.02 × 4,862,330.55
  4. Step 4: Simplify right side
    8,992,309.28x = 60,338,497,853,144.51
  5. Step 5: Solve for x
    x = 60,338,497,853,144.51/8,992,309.28
  6. Step 6: Final answer
    x = 6,710,011.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.